Question

Which of the following order is incorrect –

• A. HF <HCl<HBr<HI : order of acidic character
• B. O < O^–< O^2– : order of EN
• C. HF <HCl<HBr<HI : order of covalent character
• D. Ca²⁺< K⁺< S^2– : order of size

Answer 1

Answer: (B)

O < O^–< O^2– : order of EN

Answer 2

O^2– < O^– < O : is the correct order of EN.